WN 1638 then DL 5512 at Detroit
Chicago Midway → Detroit → Greensboro
Timetable, Detroit time
17:15WN 1638 from Chicago Midway at the gate
15:56DL 5512 to Greensboro leaves the gate
22 h 41 apart on the timetable, overnight
DL 5512 leaves 22 h 41 after WN 1638 arrives on the timetable: more than half a day, so not a connection we count.